Stock material or miscellaneous articles – Composite – Of metal
Patent
1990-10-26
1992-03-03
Silverberg, Sam
Stock material or miscellaneous articles
Composite
Of metal
156321, 156322, 148253, C23C 2600
Patent
active
050932047
ABSTRACT:
A vibration-damping composite sheet steel made by sandwiching a viscoelastic material between two steel sheets. A rust proofing coating which generates no gaseous matter is formed on one surface of each of the steel sheets which is contacted with the viscoelastic material. The coating is a phosphate coating having no water of crystallization with a coating weight per unit area of 0.5 g/m.sup.2 or over, or a galvanized zinc coating including no zinc oxide.
REFERENCES:
patent: 3794529 (1974-02-01), Thompson
patent: 3850700 (1974-11-01), Heller
patent: 3996074 (1976-12-01), Rakeshaw
patent: 4447493 (1984-05-01), Driscoll
patent: 4483730 (1984-11-01), Honda
Chiba Norio
Dohi Masahiro
Doi Tomeji
Kawasaki Kunio
Kodama Hiroshi
Mazda Motor Corporation
Nippon Kokan Kabushiki Kaisha
Silverberg Sam
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